Blue-printing machine.



'No. 847,084. PATENTED MAR. 12, 1907.

Y S. B. WHINERY.

BLUE PRINTING MACHINE.

' APPLIOATION FILED QEPT. 24. 19.03.

MTNESEQE! J INVENTOR A'ITO RNEY f 6%wdM Y i'rnn s rarns PATENT SALIUEL BRENT WHINERY, OF PITTSBURG, PENNSYLVANIA.

stee -Petersen assesses.

Specification of Letters ?atent.

.Patenteol Maren 12, 190?.

' Application filed September 24,1903. Serial No. 174.487,

. line of light.

a horizontal It is the object of my invention to provide a blue-printing machine which can make prints of any length.

Referring to the drawings, Figure 1 is a side elevation of my invention, Fig. '2,- a'plan thereof, and Fig. 3 a vertical section thereof on the line 3 3 of Fig. 2.

On the drawings, 1 represents a pair of standards which supports fixedly the long mercury-vapor lamp 2. The standards also support above said lamp the arc-shaped or curved transparent printingsurface 3, which is preferably made of glass and has but limited extent transverse therefrom the roll 8 and travels with the strip 4.

between the latter and the belt 9, hereinafter described.

I provide the endless belt 9, which runs over the two end rollers 10 and the top roller 11, the rollers 10 having their under surfaces below the highest part of the surface 3, so as l to hold a large part of the sheets 4- and 7 smooth while they are passing the lamp 2. ;"lhese rollers are supported in upward extensions of the standards 1. By turning the crank 6 the drawings and the sensitized material willbe drawn over the surface 3, the 1 belt 9 traveling with the said drawings and i sensitized material owing to the friction bei tween the belt and the said material.

in order to increase the strength of the light passing from the lamp 2 through the surface 3, I prefer to use the concave reflector 12 below the lamp.

The operation is as follows: The rollers 10 and 11 having been set in motion by any suitable power andthe lamp 2 having been strip 7) are drawn, the latter on the former, between the belt 9 and the glass surface 3.

lamp causes the drawings to be photographed or printed on the strip 7, which may be developed and fixed as the nature of the sensi tive surface thereof may require.-

Having described my invention, I claim- 1. In a blue-printing machine, a curved fixed transparent printing-surface consistingof a [segment of a cylinder, means for causing the sensitized paper and the characters to be printed to travel transversely over the convex face of the printing-surface, and a lamp at the concave side of the printing surface and parallel to the said surface.

2. In a printing-machine, a curved fixed transparent printingsurface means for causto be printed to travel transversely over the convex face of the printing-surface and light-radiating means at the concave side of the printing-surfer a. w

Signed at Pittsburg this 17th day of Sep- .tember, -1.9;03.

" SAMUEL BRENT WHlNERY.

Witnesses F. N. Banana,

A. M.- STERNv lighted, the drawing (represented by the strip a and the sensitizedpaper (represented by the 6 ing the sensitized paper and the characters As the strips move. over the surface 3 the 

